Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 7.19
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -6.53 -0.375 2.45
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 5.23
Calving Interval (days) -3.73 -1.459 5.44
Survival (%) -0.19 1.117 -0.21
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.04
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -3.39 -0.432 1.46
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 15.24

* Based on an €80/tonne carbon price